Reid Vapor Pressure
Winter gasoline has a high RVP so it is more volatile and it will evaporate more quickly in the heat. Summer gasoline formulations have additives to lower the Reid Vapor Pressure so it won't evaporate as easily and "pollute" the air.
Reid Vapor Pressure (RVP) is a standardized laboratory test that measures a fuel's vapor pressure at 100°F in pounds per square inch (PSI). A higher RVP indicates that a fuel is more volatile, meaning it evaporates more easily. RVP is important because it affects vehicle emissions and how gasoline-powered vehicles operate.
So they don’t want me to pollute the air because it’s hot?
So they don’t want me to pollute the air because it’s hot?
It's all bullshit. If they cared about the environment, they'd go after china and make regulate how much useless packaging and disposable crap that is peddled today. They just want to blame, inconvenience and tax us for fun and (((profit))).
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